import copy
dictionary ={'卷心菜': 'cabbage','午餐':['lunch','nooning']}
dictionary1=dictionary
dictionary2=dictionary.copy()
dictionary3=copy.deepcopy(dictionary)
dictionary['卷心菜']='pamphrey'
dictionary['午餐'].remove(nooning)
print('dictionary=',dictionary)
print('dictionary=1',dictionary1)
print('dictionary=2',dictionary2)
print('dictionary=3',dictionary3)
